Hi All,

I have a stubborn problem with a FisherPrice baby monitor. It's an older
49 MHz wireless unit.

The receiver has constant hum whenever it is run with a wall wart. On
batteries, it sounds as quiet as a church mouse.

I've tried plugging it into different outlets, I've swapped wall warts
with one from my junk box. I've tried wrapping it in aluminum foil (for
shielding), no difference. If I listen to the signal in my scanner, it
sounds like a million bucks.

I'd really like to use this thing for home security as the thing can
hear a mouse fart at 100 yards, just the thing to put in my garage.

Any ideas?

TY, Art


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